炼化企业装置检修期间职业病危害因素分析与控制

目的分析及控制炼化企业装置检修期间职业病危害因素。方法选择某炼化企业正在检修的6套装置及污水处理系统,在40个检修现场设置113个采样点,进行职业病危害因素识别、检测及个人防护情况调查。结果氨、乙二醇、环氧乙烷、硫化氢、苯、甲苯、二甲苯浓度不超标。焦炭尘、电焊尘、锰及其无机化合物、噪声指标超过国家职业卫生标准,超标点主要在焊接、清洗除焦、吹扫等作业。参加检修人员个体防护用品佩戴不合格。结论应建立炼化企业装置检修期间职业卫生管理制度,加强检修期间的职业卫生监督,做好检修人员职业病防治工作。

Occupational Hazards Analysis and Control during Maintenance of Petrochemical Units

Aim：analysis and controls the occupational hazards during maintenance of petrochemical units. Method： choose 6 units and sewage treatment systems under maintenance, and then conducted occupational hazards identification, detection and personal protection surveys with the 113 sampling points in 40 maintenance sites. Results：the ammonia, ethylene glycol, ethylene oxide, hydrogen sulfide, benzene, toluene, and xylene were not offended; coke dust, welding dust, manganese and its inorganic compounds, and noise exceeded the national occupational health standards; the main exceeding points were in the welding, cleaning except coke, purging and other operations. Apart from that, the maintaining workers failed to wear the personal protective equipment competently. Conclusion： the occupational health management regulations should be established during maintenance of petrochemical units, focused on occupational health supervision during maintenance, and did well in personal occupational disease prention.